Lighting

Discussions on lighting and what lights are best to use for your grow.

Page 1 of 436
Sort By:
Title Start Date
Replies Views
Last Message ↓
  1. Sticky Threads
  2. jcj77d
    Sticky
    Like x 4

    How Light is Measured & Lighting Spectrum and Photosythesis

    jcj77d, Nov 1, 2009 ... 3 4 5
    Replies:
    99
    Views:
    145,765
    Infinityjumper
    Infinityjumper
    Mar 6, 2022
  3. jcj77d
    Sticky
    Like x 12

    All About Lighting

    jcj77d, Aug 24, 2008 ... 19 20 21
    Replies:
    403
    Views:
    143,578
    The Dawg
    The Dawg
    Nov 30, 2021
  4. Normal Threads
  5. The Bag Boy
    Like x 4

    Can a Mars Hydro SP 3000 squash Godzilla and flatten Tokyo?

    The Bag Boy, Mar 7, 2022 ... 2 3 4
    Replies:
    64
    Views:
    2,260
    The Bag Boy
    The Bag Boy
    May 22, 2022 at 11:01 AM
  6. The Bag Boy

    The End of the Tunnel

    The Bag Boy, Apr 10, 2012 ... 135 136 137
    Replies:
    2,734
    Views:
    142,593
    The Bag Boy
    The Bag Boy
    May 21, 2022 at 10:27 PM
  7. MarsColonist

    Maxsisun MF2000 ... Good Light?

    MarsColonist, May 20, 2022 at 9:28 PM
    Replies:
    0
    Views:
    134
    MarsColonist
    MarsColonist
    May 20, 2022 at 9:28 PM
  8. cinnamonbun

    UV light for chloramine removal?

    cinnamonbun, May 19, 2022 at 3:25 AM
    Replies:
    9
    Views:
    296
    Weedweasle
    Weedweasle
    May 19, 2022 at 8:17 PM
  9. zeekoslav

    Need advice for "grow closet"

    zeekoslav, May 11, 2022
    Replies:
    7
    Views:
    333
    Psyclops1409
    Psyclops1409
    May 14, 2022
  10. Colonangelr

    More light needed?

    Colonangelr, May 12, 2022
    Replies:
    2
    Views:
    336
    MJSeedsCanada
    MJSeedsCanada
    May 12, 2022
  11. ohio1121

    HLG-240H-54A for 4 QB132 Lights?

    ohio1121, May 11, 2022
    Replies:
    1
    Views:
    223
    trojangrower
    trojangrower
    May 11, 2022
  12. Jsaunders

    King brite lm301h

    Jsaunders, Apr 25, 2022
    Replies:
    2
    Views:
    150
    Jsaunders
    Jsaunders
    May 9, 2022
  13. Or_Gro

    New Quantum board qb96 V2's are out from HLG. Cob replacement fixture-Replacement Thread **BS here**

    Or_Gro, Oct 12, 2018 ... 159 160 161
    Replies:
    3,215
    Views:
    134,149
    Wandrew640
    Wandrew640
    May 3, 2022
  14. Popcorn
    Like x 3

    Invisible sun led grow!!!!!!

    Popcorn, Dec 19, 2020 ... 5 6 7
    Replies:
    121
    Views:
    7,554
    Popcorn
    Popcorn
    Apr 29, 2022
  15. cinnamonbun

    Has anyone ever had a hardware issue with the Mars TSL 2000?

    cinnamonbun, Apr 26, 2022
    Replies:
    0
    Views:
    89
    cinnamonbun
    cinnamonbun
    Apr 26, 2022
  16. Hybridway

    My Amare & Hydroponics Hut - O.C., GG#4 Grow

    Hybridway, Mar 4, 2016 ... 22 23 24
    Replies:
    474
    Views:
    29,417
    Weed Dude
    Weed Dude
    Apr 25, 2022
  17. Jsaunders

    Nuke head lights

    Jsaunders, Apr 23, 2022
    Replies:
    5
    Views:
    150
    Jsaunders
    Jsaunders
    Apr 23, 2022
  18. Jsaunders

    Qb boards - place to get

    Jsaunders, Apr 21, 2022
    Replies:
    8
    Views:
    184
    JMcGD
    JMcGD
    Apr 22, 2022
  19. D123W

    Electric bike battery charger as LED driver?

    D123W, Oct 4, 2017
    Replies:
    6
    Views:
    950
    Goblin_smasher
    Goblin_smasher
    Apr 19, 2022
  20. cinnamonbun

    Do I need a reflector hood for an HPS grow light if I install it in a tent?

    cinnamonbun, Apr 19, 2022
    Replies:
    7
    Views:
    141
    hatmat
    hatmat
    Apr 19, 2022
  21. cinnamonbun

    Can someone tell me more about 'LightEnerG'

    cinnamonbun, Apr 19, 2022
    Replies:
    0
    Views:
    92
    cinnamonbun
    cinnamonbun
    Apr 19, 2022
  22. cozyboytro

    What kind of LED Lights should I get?

    cozyboytro, Apr 13, 2022
    Replies:
    7
    Views:
    282
    Oldtimer58
    Oldtimer58
    Apr 14, 2022
  23. lilmink

    Bar LEDs for 3x3

    lilmink, Apr 14, 2022
    Replies:
    5
    Views:
    172
    lilmink
    lilmink
    Apr 14, 2022
  24. bonzo78

    How many watts led for 4x4 tent?

    bonzo78, Mar 23, 2022
    Replies:
    12
    Views:
    389
    GroBuddy
    GroBuddy
    Apr 9, 2022
Showing threads 1 to 20 of 8,716

Thread Display Options

Loading...
Page 1 of 436